References

  1. Prof. Adil A. El Hussein, Dept. of Botany, Faculty of Science, University of Khartoum, Sudan. Email: adilelhussein@hotmail.com. Tel. +249-9-12232845.
  1. Prof. Mahmoud M. Sakr; President, Academy of Scientific Research and Technology, STDF, Egypt. Email: m.sakr@asrt.sci.eg, Mahmoud.sakr@stdf.org.eg, Sakrmahmoud@yahoo.com. Tel. +202 279 212 89.
  1. Prof. Stephen Baenziger, Dept. of Agro. & Hort., University of Nebraska-Lincoln, NE, USA. Email: pbaenziger1@unl.edu.